Bells and Bell TowersBells and Bell Towers

Melissa MarionMelissa Marion

Mike MilkinMike Milkin

Eric MillEric Mill

Chris VitoneChris Vitone

IntroductionIntroduction

Buildings are being neglected, causing danger of Buildings are being neglected, causing danger of physical and cultural damagephysical and cultural damage

Venetian belltowers would be severe losses in Venetian belltowers would be severe losses in both areasboth areas

Past research has been on taking measurements Past research has been on taking measurements of visible attributes of the towers to rank need for of visible attributes of the towers to rank need for restorationrestoration

These previous measurements are simplistic and These previous measurements are simplistic and not enough for a reliable ranking of need for not enough for a reliable ranking of need for restorationrestoration

We will re-examine belltowers and provide a We will re-examine belltowers and provide a much more comprehensive and deep analysis of much more comprehensive and deep analysis of the towers’ need for preservation actionthe towers’ need for preservation action

Building a WebGIS databaseBuilding a WebGIS database

Obtain all pertinent Obtain all pertinent datadata

Design and create Design and create databasedatabase

Design and create GIS Design and create GIS LayerLayer

Transform into Transform into WebGIS LayerWebGIS Layer

Finalize, Upload to Finalize, Upload to actual Internetactual Internet

Components of Bell TowersComponents of Bell Towers

BaseBase ShaftShaft

Intermediate Intermediate chamberchamber

Ringing chamberRinging chamber BellfryBellfry SpireSpire

Square roofSquare roof Slanted roofSlanted roof

Materials of Bell TowersMaterials of Bell Towers

BaseBase Non porous rock/clayNon porous rock/clay

ShaftShaft BrickBrick Metal supportsMetal supports

BellfryBellfry BrickBrick Lavish stone or clay decorationsLavish stone or clay decorations Bells hung with wood or metalBells hung with wood or metal

SpireSpire Clay shinglesClay shingles

San Marco

Social Function / ImpactSocial Function / Impact Part of historyPart of history Very tall – Very tall –

surveying postssurveying posts When were the When were the

bells rung?bells rung? CelebrationCelebration MourningMourning On every hourOn every hour In correlation with In correlation with

Christian festivalsChristian festivals The Doge's Palace

Other Uses of Bell TowersOther Uses of Bell Towers

Cell towersCell towers Very tallVery tall Not disturbedNot disturbed

Extinguishing firesExtinguishing fires Run a hose up through the towersRun a hose up through the towers Serve as a look out pointServe as a look out point Over a hundred towers in the cityOver a hundred towers in the city

MethodologyMethodology

Pick subset of previous cataloged bell Pick subset of previous cataloged bell towerstowers Exemplify issues we wish to monitorExemplify issues we wish to monitor Re-examine some metricsRe-examine some metrics

Perform TestsPerform Tests AccelerometerAccelerometer Strain TestStrain Test

Methodology (cont.)Methodology (cont.)

RegressionRegression Metrics to predict monitoringMetrics to predict monitoring Update ’95 regression to include Update ’95 regression to include

monitoring predictionmonitoring prediction Validation on new towersValidation on new towers

Perform measurementsPerform measurements Perform monitoringPerform monitoring

Killer GraphsKiller Graphs